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Feature
light weight and high intensitysafe and non-slipgood natural lighting and air exchanging attractive appearanceeasy to install and transferit is economical,durable and suitable to use.Material types
♦Main bar (bearing bar)pitch 12.5/15/30/35.3
♦Cross bar (Twisted bar)pitch 50~ 170mm
For example
width of pit(mm) | withstand weight | size(a×b×h)(mm) | weight (kg) |
300*300 | T-25 | 400*289*50 | 8.5 |
300*500 | T-14 | 600*289*50 | 12.4 |
400*400 | T-20 | 500*395*50 | 14 |
400*600 | T-6 | 700*395*55 | 20.8 |
500*500 | T-2 | 600*485*38 | 13.5 |
600*600 | T-25 | 700*607*75 | 41.9 |
♦The withstand weight referenced the next table .
withstand weight (reference to a road guide book in Japan)
withstand type | total weight (t) | rear wheel(one) (kN) | wheel area (cm) |
T-25 | 25 | 100 | 20×50 |
T-20 | 20 | 80 | 20×50 |
T-14 | 14 | 56 | 20×50 |
T-6 | 6 | 24 | 20×24 |
T-2 | 2 | 8 | 20×16 |
♦Allowable stress of steel grating about 180N/mm².
♦Other sizes are also available by special order.
trench cover